Commit 0c62124e authored by Vladimir Serbinenko's avatar Vladimir Serbinenko

* docs/grub.texi: Add few mentions about EFI, debug and videoinfo.

parent 9b5d4eed
2013-11-04 Vladimir Serbinenko <phcoder@gmail.com>
* docs/grub.texi: Add few mentions about EFI, debug and videoinfo.
2013-11-04 Peter Lustig <peter.lustig.7db@gmail.com>
* grub-core/commands/i386/nthibr.c: New command.
......@@ -701,6 +701,26 @@ you may run those commands directly to install GRUB, without using
with the internals of GRUB. Installing a boot loader on a running OS may be
extremely dangerous.
On EFI systems for fixed disk install you have to mount EFI System Partition.
If you mount it at @file{/boot/efi} then you don't need any special arguments:
@example
# @kbd{grub-install}
@end example
Otherwise you need to specify where your EFI System partition is mounted:
@example
# @kbd{grub-install --efi-directory=/mnt/efi}
@end example
For removable installs you have to use @option{--removable} and specify both
@option{--boot-directory} and @option{--efi-directory}:
@example
# @kbd{grub-install --efi-directory=/mnt/usb --boot-directory=/mnt/usb/boot --removable}
@end example
@node Making a GRUB bootable CD-ROM
@section Making a GRUB bootable CD-ROM
......@@ -3088,7 +3108,8 @@ to go beyond the current 16 colors.
This variable may be set to enable debugging output from various components
of GRUB. The value is a list of debug facility names separated by
whitespace or @samp{,}, or @samp{all} to enable all available debugging
output.
output. The facility names are the first argument to grub_dprintf. Consult
source for more details.
@node default
......@@ -3136,7 +3157,8 @@ If this variable is set, it sets the resolution used on the @samp{gfxterm}
graphical terminal. Note that you can only use modes which your graphics
card supports via VESA BIOS Extensions (VBE), so for example native LCD
panel resolutions may not be available. The default is @samp{auto}, which
selects a platform-specific default that should look reasonable.
selects a platform-specific default that should look reasonable. Supported
modes can be listed by @samp{videoinfo} command in GRUB.
The resolution may be specified as a sequence of one or more modes,
separated by commas (@samp{,}) or semicolons (@samp{;}); each will be tried
......
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